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Re: st: Median difference
At 19:40 06/07/02 -0400, Si Li wrote:
I think you need my -somersd- package, which contains the program -cendif-
to calculate median differences. Inside Web-aware Stata, type
Does anyone knows which command I can use to test median difference and
mean difference between two groups in Stata? These two groups are not
necessarily normally distributed or independent.
Also, if possible, which references can I refer to regarding the
algorithms and econometric logics of testing median and mean differences?
ssc describe somersd
and you will find the latest version of the package.
The definitive reference for the methods is Newson (2002).
I hope this helps.
Newson R. 2002. Parameters behind "nonparametric" statistics: Kendall's
tau, Somers' D and median differences. Stata Journal 2(1): 45-64.
Lecturer in Medical Statistics
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